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Finding the Fourth Proportional to 269,601.90, 404,730.90 and 136,413.60

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Solution

The fourth proportional to 269,601.90, 404,730.90 and 136,413.60 is: 204,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,601.90 : 404,730.90 = 136,413.60 : x
  2. Step 2: Convert to fraction form
    269,601.90/404,730.90 = 136,413.60/x
  3. Step 3: Cross multiply
    269,601.90x = 404,730.90 × 136,413.60
  4. Step 4: Simplify right side
    269,601.90x = 55,210,799,100.24
  5. Step 5: Solve for x
    x = 55,210,799,100.24/269,601.90
  6. Step 6: Final answer
    x = 204,786.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.